Measures cartridge dimensions including case length, neck and base diameters, overall length, primer pocket depth etc.
Verifying these dimensions is quick and convenient with the Frankford Arsenal Calipers.
The calipers are accurate to within .001-Inch.
The calipers allow you to measure inside and outside diameters, plus depths.

You will find them useful for many measuring tasks on and off the reloading bench.

Comes in a protective plastic case.